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+*os_mac.txt* For Vim version 9.0. Last change: 2019 Apr 21
+
+
+ VIM REFERENCE MANUAL by Bram Moolenaar et al.
+
+
+ *mac* *Mac* *macintosh* *Macintosh*
+
+This file documents the particularities of the Macintosh version of Vim.
+
+NOTE: This file is a bit outdated. You might find more useful info here:
+ http://macvim.org/
+
+1. Filename Convention |mac-filename|
+2. .vimrc and .vim files |mac-vimfile|
+3. Standard mappings |mac-standard-mappings|
+4. FAQ |mac-faq|
+5. Known Lack |mac-lack|
+6. Mac Bug Report |mac-bug|
+7. Compiling Vim |mac-compile|
+8. The darwin feature |mac-darwin-feature|
+
+There was a Mac port for version 3.0 of Vim. Here are the first few lines
+from the old file:
+
+VIM Release Notes
+Initial Macintosh release, VIM version 3.0
+19 October 1994
+
+Eric Fischer
+<enf1@midway.uchicago.edu>, <eric@jcp.uchicago.edu>, <etaoin@uchicago.edu>
+5759 N. Guilford Ave
+Indianapolis IN 46220 USA
+
+==============================================================================
+1. Filename Convention *mac-filename*
+
+Starting with Vim version 7 you can just use the unix path separators with
+Vim. In order to determine if the specified filename is relative to the
+current folder or absolute (i.e. relative to the "Desktop"), the following
+algorithm is used:
+
+ If the path start by a "/", the path is absolute
+ If the path start by a ":", the path is relative
+ If the path doesn't start by neither a "/" nor ":",
+ and a ":" is found before a "/" then the path is absolute
+>
+ :e /HD/text
+ :e HD:text
+< Edit the file "text" of the disk "HD" >
+ :e :src:main.c
+ :e src/main.c
+< Edit the file "main.c" in the folder "src" in the current folder >
+ :e os_mac.c
+< Edit the file "os_mac.c" in the current folder.
+
+You can use the |$VIM| and |$VIMRUNTIME| variable. >
+
+ :so $VIMRUNTIME:syntax:syntax.vim
+
+==============================================================================
+2. .vimrc and .vim files *mac-vimfile*
+
+It is recommended to use Unix style line separators for Vim scripts, thus a
+single newline character.
+
+When starting up Vim will load the $VIMRUNTIME/macmap.vim script to define
+default command-key mappings.
+
+On older systems files starting with a dot "." are discouraged, thus the rc
+files are named "vimrc" or "_vimrc" and "gvimrc" or "_gvimrc". These files
+can be in any format (mac, dos or unix). Vim can handle any file format when
+the |'nocompatible'| option is set, otherwise it will only handle mac format
+files.
+
+==============================================================================
+3. Standard mappings *mac-standard-mappings*
+
+The following mappings are available for cut/copy/paste from/to clipboard.
+
+key Normal Visual Insert Description ~
+Command-v "*P "-d"*P <C-R>* paste text *<D-v>*
+Command-c "*y copy Visual text *<D-c>*
+Command-x "*d cut Visual text *<D-x>*
+Backspace "*d cut Visual text
+
+==============================================================================
+4. Mac FAQ *mac-faq*
+
+On the internet: http://macvim.org/OSX/index.php#FAQ
+
+Q: I can't enter non-ASCII character in Apple Terminal.
+A: Under Window Settings, Emulation, make sure that "Escape non-ASCII
+ characters" is not checked.
+
+Q: How do I start the GUI from the command line?
+A: Assuming that Vim.app is located in /Applications:
+ open /Applications/Vim.app
+ Or:
+ /Applications/Vim.app/Contents/MacOS/Vim -g {arguments}
+
+Q: How can I set $PATH to something reasonable when I start Vim.app from the
+ GUI or with open?
+A: The following trick works with most shells. Put it in your vimrc file.
+ This is included in the system vimrc file included with the binaries
+ distributed at macvim.org . >
+ let s:path = system("echo echo VIMPATH'${PATH}' | $SHELL -l")
+ let $PATH = matchstr(s:path, 'VIMPATH\zs.\{-}\ze\n')
+
+==============================================================================
+5. Mac Lack *mac-lack*
+
+In a terminal CTRL-^ needs to be entered as Shift-Control-6. CTRL-@ as
+Shift-Control-2.
+
+==============================================================================
+6. Mac Bug Report *mac-bug*
+
+When reporting any Mac specific bug or feature change, please use the vim-mac
+maillist |vim-mac|. However, you need to be subscribed. An alternative is to
+send a message to the current MacVim maintainers:
+
+ mac@vim.org
+
+==============================================================================
+7. Compiling Vim *mac-compile*
+
+See the file "src/INSTALLmac.txt" that comes with the source files.
+
+==============================================================================
+8. The Darwin Feature *mac-darwin-feature*
+
+If you have a Mac that isn't very old, you will be running OS X, also called
+Darwin. The last pre-Darwin OS was Mac OS 9. The darwin feature makes Vim
+use Darwin-specific properties.
+
+What is accomplished with this feature is two-fold:
+
+- Make Vim interoperable with the system clipboard.
+- Incorporate into Vim a converter module that bridges the gap between some
+ character encodings specific to the platform and those known to Vim.
+
+Needless to say, both are not to be missed for any decent text editor to work
+nicely with other applications running on the same desktop environment.
+
+As Vim is not an application dedicated only to macOS, we need an extra feature
+to add in order for it to offer the same user experience that our users on
+other platforms enjoy to people on macOS.
+
+For brevity, the feature is referred to as "darwin" to signify it one of the
+Vim features that are specific to that particular platform.
+
+The feature is a configuration option. Accordingly, whether it is enabled or
+not is determined at build time; once it is selected to be enabled, it is
+compiled in and hence cannot be disabled at runtime.
+
+The feature is enabled by default. For most macOS users, that should be
+sufficient unless they have specific needs mentioned briefly below.
+
+If you want to disable it, pass `--disable-darwin` to the configure script: >
+
+ ./configure --disable-darwin <other options>
+
+and then run `make` to build Vim. The order of the options doesn't matter.
+
+To make sure at runtime whether or not the darwin feature is compiled in, you
+can use `has('osxdarwin')` which returns 1 if the feature is compiled in; 0
+otherwise. For backward compatibility, you can still use `macunix` instead of
+`osxdarwin`.
+
+Notable use cases where `--disable-darwin` is turned out to be useful are:
+
+- When you want to use |x11-selection| instead of the system clipboard.
+- When you want to use |x11-clientserver|.
+
+Since both have to make use of X11 inter-client communication for them to work
+properly, and since the communication mechanism can come into conflict with
+the system clipboard, the darwin feature should be disabled to prevent Vim
+from hanging at runtime.
+
+
+ vim:tw=78:ts=8:noet:ft=help:norl: